diff --git a/pyproject.toml b/pyproject.toml
index d2bea7a0..ec993dc4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ documentation = "https://hlasse.github.io/TextDescriptives/"
 
 [project.optional-dependencies]
 style = [
-    "black==23.7.0",
+    "black==23.9.1",
     "pre-commit==3.4.0",
     "ruff==0.0.291",
     "mypy==1.5.1"